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block: remove the errors field from struct request

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Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <Bart.VanAssche@sandisk.com>
Acked-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig
2017-04-20 16:03:16 +02:00
committed by Jens Axboe
parent cee4b7ce3f
commit caf7df1227
7 changed files with 24 additions and 49 deletions
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26
kernel/trace/blktrace.c
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@@ -690,8 +690,8 @@ void blk_trace_shutdown(struct request_queue *q)
/**
* blk_add_trace_rq - Add a trace for a request oriented action
* @q: queue the io is for
* @rq: the source request
* @error: return status to log
* @nr_bytes: number of completed bytes
* @what: the action
*
@@ -699,10 +699,10 @@ void blk_trace_shutdown(struct request_queue *q)
* Records an action against a request. Will log the bio offset + size.
*
**/
static void blk_add_trace_rq(struct request_queue *q, struct request *rq,
static void blk_add_trace_rq(struct request *rq, int error,
unsigned int nr_bytes, u32 what)
{
struct blk_trace *bt = q->blk_trace;
struct blk_trace *bt = rq->q->blk_trace;
if (likely(!bt))
return;
@@ -713,34 +713,32 @@ static void blk_add_trace_rq(struct request_queue *q, struct request *rq,
what |= BLK_TC_ACT(BLK_TC_FS);
__blk_add_trace(bt, blk_rq_trace_sector(rq), nr_bytes, req_op(rq),
rq->cmd_flags, what, rq->errors, 0, NULL);
rq->cmd_flags, what, error, 0, NULL);
}
static void blk_add_trace_rq_insert(void *ignore,
struct request_queue *q, struct request *rq)
{
blk_add_trace_rq(q, rq, blk_rq_bytes(rq), BLK_TA_INSERT);
blk_add_trace_rq(rq, 0, blk_rq_bytes(rq), BLK_TA_INSERT);
}
static void blk_add_trace_rq_issue(void *ignore,
struct request_queue *q, struct request *rq)
{
blk_add_trace_rq(q, rq, blk_rq_bytes(rq), BLK_TA_ISSUE);
blk_add_trace_rq(rq, 0, blk_rq_bytes(rq), BLK_TA_ISSUE);
}
static void blk_add_trace_rq_requeue(void *ignore,
struct request_queue *q,
struct request *rq)
{
blk_add_trace_rq(q, rq, blk_rq_bytes(rq), BLK_TA_REQUEUE);
blk_add_trace_rq(rq, 0, blk_rq_bytes(rq), BLK_TA_REQUEUE);
}
static void blk_add_trace_rq_complete(void *ignore,
struct request_queue *q,
struct request *rq,
unsigned int nr_bytes)
static void blk_add_trace_rq_complete(void *ignore, struct request *rq,
int error, unsigned int nr_bytes)
{
blk_add_trace_rq(q, rq, nr_bytes, BLK_TA_COMPLETE);
blk_add_trace_rq(rq, error, nr_bytes, BLK_TA_COMPLETE);
}
/**
@@ -935,7 +933,7 @@ static void blk_add_trace_rq_remap(void *ignore,
r.sector_from = cpu_to_be64(from);
__blk_add_trace(bt, blk_rq_pos(rq), blk_rq_bytes(rq),
rq_data_dir(rq), 0, BLK_TA_REMAP, !!rq->errors,
rq_data_dir(rq), 0, BLK_TA_REMAP, 0,
sizeof(r), &r);
}
@@ -960,7 +958,7 @@ void blk_add_driver_data(struct request_queue *q,
return;
__blk_add_trace(bt, blk_rq_trace_sector(rq), blk_rq_bytes(rq), 0, 0,
BLK_TA_DRV_DATA, rq->errors, len, data);
BLK_TA_DRV_DATA, 0, len, data);
}
EXPORT_SYMBOL_GPL(blk_add_driver_data);